beautypg.com

6 diagnostics, Diagnostics – MITSUBISHI ELECTRIC FX0N-232ADP User Manual

Page 9

background image

DIAGNOSTICS

If sending and receiving using these programs is
successful, it is considered that the operation failure
was due to sequence program or communication
protocol error.

Program when receiving

* Write the data to be sent to D 0 to D 19 before operating.

If not operating normally when using these programs,
eliminate the cause using the flow diagrams shown
following.

Set the communication format according
to the external device to be used.

If data transfer does not perform correctly when using
the 232ADP, check the operation using the following
programs.

Program when sending

[

]

[

]

Set the communication format according
to the external device to be used.

Header and terminator are not attached.

Receive completion reset

[

[

]

[

]

[

]

[

]

Send request

[

]

[

]

]